Learning_GTK4_tree/gdk/win32/gdkwin32display.h

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#pragma once
#if !defined (__GDKWIN32_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gdk/gdkwin32.h> can be included directly."
#endif
#include <gdk/gdk.h>
#include <windows.h>
G_BEGIN_DECLS
#ifdef GTK_COMPILATION
typedef struct _GdkWin32Display GdkWin32Display;
#else
typedef GdkDisplay GdkWin32Display;
#endif
typedef struct _GdkWin32DisplayClass GdkWin32DisplayClass;
#define GDK_TYPE_WIN32_DISPLAY (gdk_win32_display_get_type())
#define GDK_WIN32_DISPLAY(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_WIN32_DISPLAY, GdkWin32Display))
#define GDK_WIN32_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_WIN32_DISPLAY, GdkWin32DisplayClass))
#define GDK_IS_WIN32_DISPLAY(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_WIN32_DISPLAY))
#define GDK_IS_WIN32_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_WIN32_DISPLAY))
#define GDK_WIN32_DISPLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_WIN32_DISPLAY, GdkWin32DisplayClass))
GDK_AVAILABLE_IN_ALL
GType gdk_win32_display_get_type (void);
GDK_AVAILABLE_IN_ALL
void gdk_win32_display_set_cursor_theme (GdkDisplay *display,
const char *name,
int size);
/**
* GdkWin32MessageFilterReturn:
* @GDK_WIN32_MESSAGE_FILTER_CONTINUE: event not handled, continue processing.
* @GDK_WIN32_MESSAGE_FILTER_REMOVE: event handled, terminate processing.
*
* Specifies the result of applying a `GdkWin32MessageFilterFunc` to a Windows message.
*/
typedef enum {
GDK_WIN32_MESSAGE_FILTER_CONTINUE, /* Message not handled, continue processing */
GDK_WIN32_MESSAGE_FILTER_REMOVE /* Terminate processing, removing message */
} GdkWin32MessageFilterReturn;
/**
* GdkWin32MessageFilterFunc:
* @msg: the Windows message to filter.
* @return_value: a location to store the return value for the message
* @data: (closure): user data set when the filter was installed.
*
* Specifies the type of function used to filter Windows messages before they are
* processed by GDK Win32 backend.
*
* The @return_value must be set, if this function returns
* `GDK_WIN32_MESSAGE_FILTER_REMOVE`, otherwise it is ignored.
*
* The event translation and message filtering are orthogonal -
* if a filter wants a GDK event queued, it should do that itself.
*
* Returns: a `GdkWin32MessageFilterReturn` value.
*/
typedef GdkWin32MessageFilterReturn (*GdkWin32MessageFilterFunc) (GdkWin32Display *display,
MSG *message,
int *return_value,
gpointer data);
GDK_AVAILABLE_IN_ALL
void gdk_win32_display_add_filter (GdkWin32Display *display,
GdkWin32MessageFilterFunc function,
gpointer data);
GDK_AVAILABLE_IN_ALL
void gdk_win32_display_remove_filter (GdkWin32Display *display,
GdkWin32MessageFilterFunc function,
gpointer data);
GDK_AVAILABLE_IN_ALL
GdkMonitor * gdk_win32_display_get_primary_monitor (GdkDisplay *display);
GDK_AVAILABLE_IN_4_4
gpointer gdk_win32_display_get_egl_display (GdkDisplay *display);
G_END_DECLS